I disagree..
According to the government, it is:
www.copyright.gov/legislation/dmca.pdf
But you know best... 
Thanks for acknowledging that, it's the first intelligent thing you've said.
The copyright office is involved in it, circumvention of access control to copyright works is covered by it. However the only part that is involved with copyright infringement is the safe haven, which limits liability and doesn't give any rights to copying.
So it doesn't give or take away any right to copy, therefore it is not a copyright law.
If you don't get it after I've repeatedly explained it, then there is no hope.
Maybe you could try reading the pdf, but it says the same things with more words.